Glen D. McCreless
Internal Medicine Physician · San Antonio, TX
Glen D. McCreless is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1861439051, issued on May 31, 2006. Check the license (Texas F9798, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Glen D. McCreless
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- F9798 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4037 E Southcross Blvd, San Antonio, TX 78222
- Phone
- (210) 337-4921
- Enumerated
- May 31, 2006
- Record last updated
- Nov 8, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (210) 337-7297
- Medicaid ID
- 033364301 TX
- Medicare enrollment
- Enrolled (PECOS I20060112000454); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1981
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Glen D. McCreless in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F9798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,488 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 35 claims were for opioids.
Most prescribed
- Amlodipine Besylate130 claims
- Pravastatin Sodium111 claims
- Metoprolol Succinate89 claims
- Levothyroxine Sodium75 claims
- Atorvastatin Calcium69 claims
- Lisinopril57 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Glen D. McCreless among 9,175 internal medicine physician records in Texas
Glen D. McCreless is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2004 among the 6,088 with a school on file
- Record last updated2010 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Homero Arriola, M.D.San Antonio, TX 782221518097971
- Gregory Brown, MDSan Antonio, TX 782221922147933
- Naaz Khan, MDSan Antonio, TX 782221831346394
- Cheryl King, M.D.San Antonio, TX 782221588693154
- Pablo Lozada, M.D.San Antonio, TX 782221285735787
- Eleanora Saenz, M.D.San Antonio, TX 782221205801271
- Ninza Sanchez, MDSan Antonio, TX 782221992784078
- Cesar Termulo, M.D.San Antonio, TX 782221194733303
Common questions
What is Glen D. McCreless's NPI number?
Glen D. McCreless's National Provider Identifier (NPI) is 1861439051, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glen D. McCreless located?
The NPPES record lists a practice address at 4037 E Southcross Blvd, San Antonio, TX, 78222. Phone: (210) 337-4921. Providers update this record themselves, so call before visiting.
How can I verify Glen D. McCreless's license?
NPPES lists Texas license number F9798, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Glen D. McCreless prescribe under Medicare Part D?
In 2024, Glen D. McCreless had 1,488 Medicare Part D claims for 116 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.